AndroidStudio遇错笔记


打开AndroidStudio项目报错,生成不了模拟机预览图,Error:Execution failed for task ':app:preDebugAndroidTestBuild'.

> Conflict with dependency 'com.android.support:support-annotations' in project ':app'. Resolved versions for app (26.1.0) and test app (27.1.1) differ. See https://d.android.com/r/tools/test-apk-dependency-conflicts.html for details.

意思是版本冲突,之前上网看过很多说是手动打开build文件更改,亲测无效并且还会产生更多错误,其实我们只要点击菜单栏的Build->Rebuild Project就解决啦,因为这是as更新导致的

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